Games
Apps
Movies & TV
Books
Kids
google_logo Play
Games
Apps
Movies & TV
Books
Kids
none
search
help_outline
Sign in with Google
play_apps
Library & devices
payment
Payments & subscriptions
reviews
My Play activity
redeem
Offers
Play Pass
settings
Settings
Privacy Policy
•
Terms of Service
Games
Apps
Movies & TV
Books
Kids
Ebooks
Counting and Configurations: Problems in Combinatorics, Arithmetic, and Geometry
3.5
star
$45.15
$39.28
Equations and Inequalities: Elementary Problems and Theorems in Algebra and Number Theory
$19.25
$16.75